17480540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11351}}^1$

素因数の和:11378

約数の個数: 48

約数和(自身を含む): 45771264

約数和(自身を除く): 28290724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11351, 22702, 45404, 56755, 79457, 113510, 124861, 158914, 227020, 249722, 317828, 397285, 499444, 624305, 794570, 874027, 1248610, 1589140, 1748054, 2497220, 3496108, 4370135, 8740270, 17480540]

約数ペア:

[(1, 17480540), (2, 8740270), (4, 4370135), (5, 3496108), (7, 2497220), (10, 1748054), (11, 1589140), (14, 1248610), (20, 874027), (22, 794570), (28, 624305), (35, 499444), (44, 397285), (55, 317828), (70, 249722), (77, 227020), (110, 158914), (140, 124861), (154, 113510), (220, 79457), (308, 56755), (385, 45404), (770, 22702), (1540, 11351)]